Used to show who or what is just after the top one in order, rank, or importance.
She came next in the race.
Next highest score wins the prize.
'Next' as a noun means the person or thing that comes after the one before it, often used when waiting or in order.
Who is next in line?
The next is very important.
As an adverb, 'next' means something will happen soon or right after the current time or event.
I will call you next.
She finished and left next.
'Next' is often used in computer programs or websites to show the button that moves you to the following screen or step.
Click the next button to continue.
Choose next page for more info.
'Next' means very near something or someone, usually right beside it in space.
Sit next to me, please.
The store is next door.
Used to talk about the time or day that comes immediately after the present time or day.
I have an exam next Monday.
See you next year!